這篇文章主要為大家詳細介紹了PHP7.0與PHP5.6下Laravel博客的應(yīng)用性能對比，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下。

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目前我安裝的 Homestead 虛擬機版本是 2.1.8：

該版本 Homestead 上預(yù)裝的 PHP 版本是 5.6.15：

我們使用 ab 命令（Apache 提供的性能測試工具）在該版本中測試 Laravel 應(yīng)用（以目前正在講的使用Laravel開發(fā)的博客應(yīng)用為例）性能，我們模擬 10000 次請求，100 個并發(fā)進行壓力測試：

ab -n 10000 -c 100 http://blog.app/

運行結(jié)果如下：

This is ApacheBench, Version 2.3 
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking blog.app (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Completed 9000 requests
Completed 10000 requests
Finished 10000 requests
Server Software: nginx/1.8.0
Server Hostname: blog.app
Server Port: 80

Document Path: /
Document Length: 324 bytes

Concurrency Level: 100
Time taken for tests: 69.354 seconds
Complete requests: 10000
Failed requests: 0
Total transferred: 19851388 bytes
HTML transferred: 10230000 bytes
Requests per second: 144.19 [#/sec] (mean)
Time per request: 693.545 [ms] (mean)
Time per request: 6.935 [ms] (mean, across all concurrent requests)
Transfer rate: 279.52 [Kbytes/sec] received

Connection Times (ms)
                  min  mean[+/-sd]  median  max
Connect:       0       0     0.2                 0      3
Processing: 17    684   319.1           588   2720
Waiting:      17     684   319.1           588   2720
Total:          20     684   319.1           588   2720

Percentage of the requests served within a certain time (ms)
 50%      588
 66%      695
 75%      842
 80%      933
 90%    1155
 95%    1321
 98%    1545
 99%    1813
 100%  2720 (longest request)

這里我們要關(guān)注的是紅色加粗的文字，即每秒處理請求數(shù)，這是衡量系統(tǒng)性能的關(guān)鍵指標(biāo)。根據(jù)系統(tǒng)及硬件配置的差異，數(shù)據(jù)會有些出入。

現(xiàn)在我們按照“Laravel Homestead 支持 PHP 7 ”這一節(jié)所述將 Homestead 中的 PHP 升級到 7.0 版本。

使用 vagrant ssh 登錄到新添加的 homestead-7 虛擬機，查看 PHP 版本信息是否正確：

此時在瀏覽器中訪問 http://blog.app 會報錯，因為新安裝的 Homestead 數(shù)據(jù)庫數(shù)據(jù)為空，需要登錄到虛擬機運行如下命令運行遷移并填充數(shù)據(jù)：

php artisan migrate 
php artisan db:seed

再次訪問就OK了，好了我們繼續(xù)使用同樣的 ab 命令進行壓力測試：

ab -n 10000 -c 100 http://blog.app/

運行結(jié)果如下：

This is ApacheBench, Version 2.3 
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking blog.app (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Completed 9000 requests
Completed 10000 requests
Finished 10000 requests
Server Software: nginx/1.8.0
Server Hostname: blog.app
Server Port: 80

Document Path: /
Document Length: 324 bytes

Concurrency Level: 100
Time taken for tests: 45.032 seconds
Complete requests: 10000
Failed requests: 0
Total transferred: 20101202 bytes
HTML transferred: 10230000 bytes
Requests per second: 222.06 [#/sec] (mean)
Time per request: 450.319 [ms] (mean)
Time per request: 4.503 [ms] (mean, across all concurrent requests)
Transfer rate: 435.91 [Kbytes/sec] received

Connection Times (ms)
                  min  mean[+/-sd]  median   max
Connect:       0       0     0.2                 0       4
Processing: 11    443   252.8           379   1978
Waiting:      11     443   252.8           379   1978
Total:          15     443   252.8           379   1978

Percentage of the requests served within a certain time (ms)
 50%      379
 66%      517
 75%      590
 80%      631
 90%      795
 95%      938
 98%    1060
 99%    1229
 100%  1978 (longest request)

經(jīng)過對比，同一個 Laravel 應(yīng)用在 PHP 7.0 下的性能比 PHP 5.6 提高了54%，這是一個很顯著的性能提升，當(dāng)然環(huán)境不同數(shù)據(jù)會有所出入，而且還有更大的提升空間。

以上就是關(guān)于PHP7.0與PHP5.6下Laravel博客應(yīng)用性能對比分析詳解的詳細內(nèi)容，更多請關(guān)注創(chuàng)新互聯(lián)其它相關(guān)文章！

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